fix of invalid notebook
Kenneth C. Kleissl
parent
c20a2649dd
commit
42ed0e5518
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@ -1701,7 +1701,7 @@
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.7.4"
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"version": "3.7.5"
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},
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"latex_envs": {
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"LaTeX_envs_menu_present": true,
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@ -1,337 +1,5 @@
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{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {
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"cell_style": "center"
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},
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"source": [
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"\n",
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"# 3. Functions\n",
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"A **function** is a block of code that is first defined, and thereafter can be called to run as many times as needed. A function might have arguments, some of which can be optional if a default value is specified.\n",
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"\n",
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"A function is called by parentheses: `function_name()`. Arguments are placed inside the parentehes and comma separated if there are more than one.\n",
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"Similar to `f(x, y)` from mathematics.\n",
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"\n",
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"A function can return one or more values to the caller. The values to return are put in the `return` statement. When the code hits a `return` statement the function terminates. If no `return` statement is given, the function will return `None`.\n",
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"\n",
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"The general syntax of a function is:\n",
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"\n",
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"~~~python\n",
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"def function_name(arg1, arg2, default_arg1=0, default_arg2=None):\n",
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" '''This is the docstring \n",
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" \n",
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" The docstring explains what the function does, so it is like a multiline comment. It does not have to be here, \n",
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" but it is good practice to use them to document the code. They are especially useful for more complicated \n",
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" functions, although functions should in general be kept as simple as possible.\n",
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" Arguments could be explained together with their types (e.g. strings, lists, dicts etc.).\n",
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" '''\n",
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" \n",
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" # Function code goes here\n",
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" \n",
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" # Possible 'return' statement terminating the function. If 'return' is not specified, function returns None.\n",
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" return return_val1, return_val2\n",
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"~~~\n",
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"\n",
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"If multiple values are to be returned, they can be separated by commas as shown. The returned entity will by default be a `tuple`.\n",
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"\n",
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"Note that when using default arguments, it is good practice to only use immutable types. An example further below will demonstrate why this is recommended. \n",
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"\n"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## Basic functions\n",
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"A simple function with one argument is defined below."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 1,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/html": [
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"<style>\n",
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"/* div#notebook {\n",
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" font-size: 13pt;\n",
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" line-height: 120%;\n",
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" color: #303030;\n",
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" -webkit-font-smoothing: antialiased !important;\n",
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" padding-top: 25px !important;\n",
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"} */\n",
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"\n",
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"\n",
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"body,\n",
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"div.body {\n",
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" font-family: Roboto;\n",
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" /* font-size: 16pt; */\n",
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" color: #303030;\n",
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" /* background-color: #d1b5b5; */\n",
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" /* background: #8f4f4f; */\n",
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" margin-right: 10px;\n",
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" /* -webkit-font-smoothing: antialiased !important; */\n",
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"}\n",
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"\n",
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"/* Code inside HTML/Markdown */\n",
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"div.rendered_html code {\n",
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" border-radius: 5px;\n",
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"}\n",
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"\n",
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"/* Output area from code cells */\n",
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"div.output_area pre {\n",
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" /* font-size: 11pt !important; */\n",
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" color: #303030;\n",
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"}\n",
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"\n",
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"\n",
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"\n",
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"/* HEADING 1 styles */\n",
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"h1 {\n",
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" font-family: 'Roboto', 'Signika', sans-serif;\n",
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" font-weight: ligher;\n",
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" font-style: normal;\n",
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" /* font-size: 20pt; */\n",
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" width: 100%;\n",
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" text-align: left;\n",
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" color: #EE7631;\n",
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" border-bottom: 1px solid rgba(238, 118, 49, 0.575);\n",
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" padding-bottom: 6px;\n",
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" /* font-variant: small-caps; */\n",
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" }\n",
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" \n",
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" /* table {\n",
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" margin: 5px;\n",
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" width: 290px;\n",
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" }\n",
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" \n",
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" th {\n",
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" padding: 3px;\n",
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" }\n",
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" \n",
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" td {\n",
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" padding-left: 8px;\n",
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" padding-right: 8px;\n",
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" border: 1px solid #990000;\n",
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" background-color: #ffffcc;\n",
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" }\n",
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"\n",
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" #trHeader {\n",
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" text-decoration: underline;\n",
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" color: #990000;\n",
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" }\n",
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" \n",
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" .centerCell {\n",
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" text-align: center;\n",
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" } */\n",
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"\n",
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"/* HEADING 2 styles */\n",
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"h2 {\n",
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" font-family: \"Roboto\";\n",
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" text-align: left;\n",
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" /* font-size: 12pt; */\n",
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" color: #EE7631;\n",
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" margin-bottom: 5px;\n",
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" /* border-bottom: 1px solid lightgray; */\n",
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" border-bottom: 0.8px solid rgba(238, 118, 49, 0.575);\n",
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" padding-bottom: 6px\n",
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" }\n",
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" \n",
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" /* table {\n",
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" margin: 5px;\n",
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" width: 290px;\n",
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" }\n",
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" \n",
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" th {\n",
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" padding: 3px;\n",
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" }\n",
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" \n",
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" td {\n",
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" padding-left: 8px;\n",
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" padding-right: 8px;\n",
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" border: 1px solid #990000;\n",
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" background-color: #ffffcc;\n",
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" }\n",
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"\n",
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" #trHeader {\n",
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" text-decoration: underline;\n",
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" color: #990000;\n",
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" }\n",
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" \n",
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" .centerCell {\n",
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" text-align: center;\n",
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" } */\n",
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"\n",
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"h3 {\n",
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" font-family: 'Roboto';\n",
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" /* text-align: left; */\n",
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" /* font-size: 12pt; */\n",
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" /* color: #EE7631; */\n",
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" /* margin-bottom: 5px; */\n",
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" border-bottom: 0.5px solid #ededed;\n",
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" padding-bottom: 6px\n",
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" }\n",
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"\n",
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"\n",
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"\n",
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"p {\n",
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" font-family: Roboto;\n",
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" font-size: 16px;\n",
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"}\n",
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"\n",
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"/* Lists with dots */\n",
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"ul {\n",
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" font-size: 16px;\n",
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" line-height: 150%;\n",
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"}\n",
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"\n",
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"/* Lists with numbers */\n",
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"ol {\n",
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" font-size: 16px;\n",
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" line-height: 150%;\n",
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"}\n",
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"\n",
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"/* Horizontal rules */\n",
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"hr { \n",
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" margin-top: 3px; \n",
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" margin-bottom: 3px \n",
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"}\n",
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"\n",
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"/* Links */\n",
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"a {\n",
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" color: #EE7631;\n",
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"}\n",
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"\n",
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"\n",
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"/* Change global font size (for code) */\n",
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".CodeMirror {\n",
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"font-size: 16px !important;\n",
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"font-family: monospace;\n",
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"}\n",
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"\n",
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"\n",
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"/* Code cells in the notebook - NOTE: color is font-color */\n",
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".cm-s-ipython.CodeMirror {\n",
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" font-family: monospace, monospace;\n",
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" /* font-size: 11pt; */\n",
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" background: #ededed;\n",
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" color: #303030; \n",
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" border-radius: 2px;\n",
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" /* margin-right: 10px; */\n",
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" font-style: normal;\n",
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" font-weight: normal;\n",
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"}\n",
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"\n",
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"\n",
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"/* Background of code cells */\n",
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".cm-s-ipython.CodeMirror {\n",
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" font-family: monospace, monospace;\n",
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" /* font-size: 11pt; */\n",
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" background: rgba(211, 211, 211, 0.123);\n",
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" color: #303030;\n",
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" border-radius: 2px;\n",
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" font-style: normal;\n",
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" font-weight: normal;\n",
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"}\n",
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"\n",
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"\n",
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"/* .CodeMirror-gutters {\n",
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" border: none;\n",
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" border-right: 1px solid #e0e1e3 !important;\n",
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" background-color: #e0e1e3 !important;\n",
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" background: #e0e1e3 !important;\n",
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" border-radius: 0px;\n",
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" white-space: nowrap;\n",
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"} */\n",
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"\n",
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"\n",
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"\n",
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"/* Code syntax highlithig theme */\n",
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".cm-s-ipython .CodeMirror-cursor {\n",
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" border-left: 2px solid #ff711a !important;\n",
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"}\n",
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".cm-s-ipython span.cm-comment {\n",
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" color: #8d8d8d;\n",
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" font-style: italic; \n",
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"}\n",
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".cm-s-ipython span.cm-atom {\n",
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" color: #055be0;\n",
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"}\n",
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".cm-s-ipython span.cm-number {\n",
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" color: #ff8132;\n",
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"}\n",
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".cm-s-ipython span.cm-property {\n",
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" color: #303030;\n",
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"}\n",
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".cm-s-ipython span.cm-attribute {\n",
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" color: #303030;\n",
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"}\n",
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".cm-s-ipython span.cm-keyword {\n",
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" color: #a045ddf3;\n",
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" font-weight: normal;\n",
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"}\n",
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".cm-s-ipython span.cm-string {\n",
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" color: #009e07;\n",
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"}\n",
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".cm-s-ipython span.cm-meta {\n",
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" color: #aa22ff;\n",
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"}\n",
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".cm-s-ipython span.cm-operator {\n",
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" color: #055be0;\n",
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"}\n",
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".cm-s-ipython span.cm-builtin {\n",
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" color: #3f2ce7;\n",
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"}\n",
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".cm-s-ipython span.cm-variable {\n",
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" color: #303030;\n",
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"}\n",
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".cm-s-ipython span.cm-variable-2 {\n",
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" color: #de143d;\n",
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"}\n",
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".cm-s-ipython span.cm-variable-3 {\n",
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" color: #aa22ff;\n",
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"}\n",
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".cm-s-ipython span.cm-def {\n",
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" color: #e22978;\n",
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" font-weight: normal;\n",
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"}\n",
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".cm-s-ipython span.cm-error {\n",
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" background: rgba(191,11,55,.70);\n",
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"}\n",
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".cm-s-ipython span.cm-tag {\n",
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" color: #e22978;\n",
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"}\n",
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".cm-s-ipython span.cm-link {\n",
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" color: #ef5c00;\n",
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"}\n",
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".cm-s-ipython span.cm-storage {\n",
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" color: #055be0;\n",
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"}\n",
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".cm-s-ipython span.cm-entity {\n",
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" color: #e22978;\n",
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"}\n",
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".cm-s-ipython span.cm-quote {\n",
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" color: #009e07;\n",
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"}\n",
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"</style>"
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],
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"text/plain": [
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"<IPython.core.display.HTML object>"
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]
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},
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"execution_count": 1,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"from IPython.display import HTML\n",
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"HTML('<style>{}</style>'.format(open('../css/cowi.css').read()))"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
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@ -400,7 +68,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"execution_count": 3,
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"metadata": {},
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"outputs": [
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{
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@ -409,7 +77,7 @@
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"36.25"
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]
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},
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"execution_count": 2,
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"execution_count": 3,
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"metadata": {},
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"output_type": "execute_result"
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}
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@ -427,7 +95,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 3,
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"execution_count": 4,
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"metadata": {},
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"outputs": [
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{
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@ -459,7 +127,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 4,
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"execution_count": 5,
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"metadata": {},
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"outputs": [
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{
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@ -494,18 +162,7 @@
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},
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{
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"cell_type": "markdown",
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"execution_count": 1,
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"metadata": {},
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"outputs": [
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{
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"ename": "SyntaxError",
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"evalue": "invalid syntax (<ipython-input-1-febc0acd8c48>, line 3)",
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"output_type": "error",
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"traceback": [
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"\u001b[1;36m File \u001b[1;32m\"<ipython-input-1-febc0acd8c48>\"\u001b[1;36m, line \u001b[1;32m3\u001b[0m\n\u001b[1;33m The built-in `enumerate` is useful when you want to loop over an iterable together with the index of each of its elements:\u001b[0m\n\u001b[1;37m ^\u001b[0m\n\u001b[1;31mSyntaxError\u001b[0m\u001b[1;31m:\u001b[0m invalid syntax\n"
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]
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}
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],
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"source": [
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"## Examples of built-in functions\n",
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"### Using `enumerate` for looping in index/value pairs\n",
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@ -514,7 +171,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 5,
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"execution_count": 6,
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"metadata": {},
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"outputs": [
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{
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@ -540,7 +197,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 6,
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"execution_count": 7,
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"metadata": {},
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"outputs": [
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{
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@ -572,7 +229,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 7,
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"execution_count": 8,
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"metadata": {},
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"outputs": [
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{
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},
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{
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"cell_type": "code",
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"execution_count": 8,
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"execution_count": 9,
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"metadata": {},
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"outputs": [
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{
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@ -646,7 +303,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 9,
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"execution_count": 10,
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"metadata": {},
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"outputs": [
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{
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@ -676,7 +333,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 10,
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"execution_count": 11,
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"metadata": {},
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"outputs": [
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{
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@ -916,7 +573,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 11,
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"execution_count": 12,
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"metadata": {},
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"outputs": [
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{
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|
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@ -1189,7 +846,7 @@
|
|||
"<IPython.core.display.HTML object>"
|
||||
]
|
||||
},
|
||||
"execution_count": 11,
|
||||
"execution_count": 12,
|
||||
"metadata": {},
|
||||
"output_type": "execute_result"
|
||||
}
|
||||
|
|
@ -1217,7 +874,7 @@
|
|||
"name": "python",
|
||||
"nbconvert_exporter": "python",
|
||||
"pygments_lexer": "ipython3",
|
||||
"version": "3.7.4"
|
||||
"version": "3.7.5"
|
||||
},
|
||||
"latex_envs": {
|
||||
"LaTeX_envs_menu_present": true,
|
||||
|
|
|
|||
|
|
@ -1106,7 +1106,7 @@
|
|||
"name": "python",
|
||||
"nbconvert_exporter": "python",
|
||||
"pygments_lexer": "ipython3",
|
||||
"version": "3.7.4"
|
||||
"version": "3.7.5"
|
||||
},
|
||||
"latex_envs": {
|
||||
"LaTeX_envs_menu_present": true,
|
||||
|
|
|
|||
Loading…
Reference in New Issue